<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
</head>
<body>
<div th:utext="${paymentForm}"></div> <!-- 渲染支付宝HTML表单 -->
<p>订单号: <span th:text="${orderNo}"></span></p>
</body>
</html>